/Engine/Source/Editor/EditorFramework/Public/Subsystems/EditorElementSubsystem.h
Return only the manipulatable elements from a selection list. Require a editor normalized selection list to behave like the editor selection Note: A manipulable element is a element that would be move when manipulating the gizmo in the editor
static FTypedElementListRef GetEditorManipulableElements ( const FTypedElementListRef & NormalizedSelection )